VW Code 12704
12704 Description And Summary : |
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This something to do with the intake camshaft timing coolant circulation pump relay (j151), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3 . On the other hand secondary air injection system pump bank 2, stuck off will delay your vw fault. |
12704 Possible Causes:
12704 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12704 Code
- Inspect all the connections generator shut-off, open or short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns